document.write( "Question 490163: I need help with this problem please.. \r
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document.write( "Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. \r
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document.write( "-3x + 4y = 1, -6x + 6y = -3
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Algebra.Com's Answer #333878 by mananth(16946)![]() ![]() You can put this solution on YOUR website! -3 x + 4 y = 1 .............1 \n" ); document.write( "-6 x + 6 y = -3 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by -3 \n" ); document.write( "Multiply (2) by 2 \n" ); document.write( "9 x -12 y = -3 \n" ); document.write( "-12 x 12 y = -6 \n" ); document.write( "Add the two equations \n" ); document.write( "-3 x = -9 \n" ); document.write( "/ -3 \n" ); document.write( "x = 3 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "-3 x + 4 y = 1 \n" ); document.write( "-9 + 4 y = 1 \n" ); document.write( " 4 y = 1 + 9 \n" ); document.write( " 4 y = 10 \n" ); document.write( " y = 2.5 \n" ); document.write( " \n" ); document.write( " |